Ciao Preprocessor (integrated Alpha version)
| This is an alpha distribution, meant only for testing. Please do let us
| know at ciaopp-bugclip.dia.fi.upm.es any problems you may have.
{Reading /tmp/tmpWOH2Ap/len2.pl
}
{loaded in 3412.214 msec.}
{preprocessed for plai in 4.0 msec.}
{analyzed by plai using det with local-control off in 4.001 msec.}
{written file /tmp/tmpWOH2Ap/len2_det_co.pl}
:- module(_1,[len/2],[assertions]).
:- entry len(A,B)
: ground(A).
:- true pred len(A,B)
: ( native_props:mshare([[B]]), ground([A]), gnd(A), term(B) )
=> ( ground([A,B]), rt10(A), rt12(B) )
+ ( is_det, mut_exclusive ).
len([],0).
len(Xs,s(N)) :-
no(empty(Xs)),
tail(Xs,Ys),
len(Ys,N).
:- true pred tail(_1,Xs)
: ( native_props:mshare([[Xs]]), var(Xs), ground([_1]), gnd(_1), term(Xs) )
=> ( ground([_1,Xs]), rt7(_1), gnd(Xs) )
+ ( is_det, mut_exclusive ).
tail([],[]).
tail([X|Xs],Xs).
empty([]).
:- true pred no(empty(_1))
: ( ground([_1]), gnd(_1) )
=> ( ground([_1]), gnd(_1) )
+ ( is_det, mut_exclusive ).
no(X) :-
call(X),
!,
failure(a).
no(_1).
:- true pred failure(a).
failure(b).
:- regtype rt11/1.
rt11([]).
rt11(A) :-
gnd(A).
rt11([A|B]) :-
gnd(A),
rt11(B).
:- regtype rt10/1.
rt10([]).
rt10([A|B]) :-
gnd(A),
rt11(B).
:- regtype rt13/1.
rt13(0).
rt13(s(A)) :-
rt13(A).
:- regtype rt12/1.
rt12(0).
rt12(s(A)) :-
rt13(A).
:- regtype rt7/1.
rt7([]).
rt7([A|B]) :-
gnd(A),
gnd(B).